<script setup>
//导入自己封装的接口api/user.js userLoginService
import {userRegisterService,userLoginService} from '@/api/user.js'
import { User, Lock } from '@element-plus/icons-vue'
//导入存放token的方法
import {useUserStore} from '@/stores'
import { ref,watch } from 'vue'
// import { userRouter } from 'vue-router';

//router一定要在外部创建！！！！
import {useRouter} from 'vue-router'
const router=useRouter()
const isRegister = ref(false)

//验证的数据对象
//对象里面的属性去查看接口文档

const formModel=ref({
	username:'',
	password:'',
	repassword:''
})

//整个表单的校验规则
//这是注册还需要进行绑定
const rules={
	//非空校验required:true  message消息提示  trigger触发校验的时机 blur change 
	username:[
		{required:true,message:'请输入用户名',trigger:'blur'},
		{min:5,max:10,message:'用户名必须是5-10位的字符',trigger:'blur'}
	],
	password:[
		{required:true,message:'请输入密码',trigger:'blur'},
		{pattern:/^\S{6,15}$/,message:'密码必须是6-15位非空字符',trigger:'blur'}
	],
	repassword:[
		{required:true,message:'请输入密码',trigger:'blur'},
		{pattern:/^\S{6,15}$/,message:'密码必须是6-15位非空字符',trigger:'blur'},
		// 自定义校验使用validator调用函数
		//rule当前校验规则相关的信息
		//values目前的单元格中的数据
		//callback 无论成功、失败都要callback回调
		//   -callback() 校验成功
		//   -callback(new Error(错误信息提示))  校验失败
		{
			validator:(rule,value,callback)=>{
				if(value!==formModel.value.password){
					callback(new Error('两次密码不一致'))
				}else{
					callback()
				}
			}
			
		}
	],
	
}

const form=ref()
//await等待是否成功
const register=async()=>{
	//validate是element-plus中的表单校验方法-->这就是我们注册之前的预校验
	await form.value.validate()
	// console.log('成功注册');
	// const result=await userRegisterService(formModel.value)
	// console.log(result);
	//使用axios都必须使用await
	const {data}=await userRegisterService(formModel.value)
	// console.log(data.code)
	//上述代码已经实现了接口调用和注册
	// alert('注册成功')
	// 账号：taohuayin   密码： 123456
	//切换登录界面
	if(data.code===0){
		ElMessage.success('注册成功')
		isRegister.value=false
	}
	
}
//每次切换表单进行重置
	watch(isRegister,()=>{
		console.log(isRegister.value);
		//每次变得时候就需要清空==>优化
		formModel.value={
			username:'',
			password:'',
			repassword:''
		}
		
		
	})
const login=async()=>{
	await form.value.validate()
	// console.log('登录成功');
	const result=await userLoginService(formModel.value)
	// console.log(result)
	// const {data}=await userLoginService(formModel.value)
	console.log(result);
	if(result.data.code===0){
		//进行token的保存，在stores/modules/user文件夹里面
		//只用访问stores/index就行
		const userStore=useUserStore()
		// const router=userRouter()
		userStore.setToken(result.data.token)
		ElMessage.success('登录成功')
		//跳转到首页
		// console.log(router);一定不能在函数内部创建router否则为undefined
		router.push('/')
		
	}
}
</script>

<template>
	<!-- 
			表单数据校验：
			1.el-form==>:model="ruleForm"  form数据对象
			2.el-form==> :rules="rules"  绑定rules规划对象
			3.表单元素=> v-model="ruleForm.xxx"  绑定form子属性
			4.prop配置生效的是哪个校验规则
	 -->
	
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <el-form 
			:model="formModel"  
			:rules="rules"
			ref="form" 
			size="large" 
			autocomplete="off" 
			v-if="isRegister"
			>
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
				<!-- prop表示配置的哪一个规则 -->
        <el-form-item prop="username">
          <el-input 
					v-model="formModel.username"
					:prefix-icon="User" 
					placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
						v-model="formModel.password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
					v-model="formModel.repassword"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入再次密码"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button @click="register" class="button" type="primary" auto-insert-space>
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>
			
			<!-- 下面是登录逻辑 -->
      <el-form :model="formModel" :rules="rules" ref="form" size="large" autocomplete="off" v-else>
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input 
					v-model="formModel.username"
					:prefix-icon="User" 
					placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
					v-model="formModel.password"
            name="password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link>
          </div>
        </el-form-item>
        <el-form-item>
          <el-button @click="login" class="button" type="primary" auto-insert-space
            >登录</el-button
          >
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true">
            注册 →
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
.login-page {
  height: 100vh;
  background-color: #fff;
  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
      url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }
  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;
    .title {
      margin: 0 auto;
    }
    .button {
      width: 100%;
    }
    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>